Samson 43-6, Mounting And Operating Instructions

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EB 2172 EN 15-1
Annex
15 Annex
15.1 Tightening torques
Table 15-1: Tightening torque
Component
Width across
flats
Valve size
Tightening
torque in Nm
Seat (5)
–
G ½ to G 1 · DN 15 to 25
½ NPT to 1 NPT
45
– DN 32 to 50 110
Stopper (35)
SW 19
G ½ to G 1 · DN 15 to 25
½ NPT to 1 NPT
40
SW 39 DN 32 to 50 110
Guide nipple (38) SW 19
G ½ to G 1 · DN 15 to 25
½ NPT to 1 NPT
80
DN 32 to 50 110
Coupling nut (40) SW 36 All 20
15.2 Tools
Tool Valve size Seat bore Order no.
Plug wrench
G ½ to G 1 · DN 15 to 25
½ NPT to 1 NPT
– 1280-3001
DN 32 to 50 – 1280-3007
Seat wrench
G ½ to G 1 · DN 15 to 25
½ NPT to 1 NPT
Seat bore 4 to 12 9932-3322
Seat bore 20 1280-3013
DN 32 to 50 Seat bore 40 1280-3014
15.3 Lubricant
SAMSON's After-sales Service can support
you concerning lubricants and sealants ap-
proved by SAMSON.